GSparseSymbolic.hpp File Reference

Sparse matrix symbolic analysis class definition. More...

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Classes
class	GSparseSymbolic
	Sparse matrix symbolic analysis class. More...

Functions
GMatrixSparse	cs_symperm (const GMatrixSparse &matrix, const int *pinv)
	cs_symperm
GMatrixSparse	cs_transpose (const GMatrixSparse &matrix, int values)
double	cs_cumsum (int *p, int *c, int n)
	cs_cumsum

Detailed Description

Sparse matrix symbolic analysis class definition.

Author

Juergen Knoedlseder

Definition in file GSparseSymbolic.hpp.

Function Documentation

cs_cumsum()

double cs_cumsum	(	int *	p,
		int *	c,
		int	n )

cs_cumsum

Parameters

[out]	p	Integer array (n+1 elements).
[in]	c	Integer array (n elements).
[in]	n	Number of elements.

Evaluate p[0..n] = cumulative sum of c[0..n-1]

Definition at line 199 of file GMatrixSparse.cpp.

References GMatrixSymmetric::column(), GMatrixBase::columns(), and GMatrixBase::rows().

Referenced by GSparseSymbolic::cholesky_symbolic_analysis().

cs_symperm()

GMatrixSparse cs_symperm	(	const GMatrixSparse &	matrix,
		const int *	pinv )

cs_symperm

Parameters

[in]	matrix	Matrix.
[in]	pinv	TBD.

Returns matrix(p,p) where matrix and matrix(p,p) are symmetric the upper part stored.

Definition at line 197 of file GMatrixSparse.cpp.

Referenced by GSparseNumeric::cholesky_numeric_analysis(), and GSparseSymbolic::cholesky_symbolic_analysis().

cs_transpose()

GMatrixSparse cs_transpose	(	const GMatrixSparse &	matrix,
		int	values )

Definition at line 198 of file GMatrixSparse.cpp.

Referenced by GSparseSymbolic::cs_amd(), and GSparseSymbolic::cs_counts().